- Use of any analgesic 2 days prior to screening or has a need to use these drugs during the screening period. This includes NSAID such as ibuprofen, diclofenac, indomethacin, sulindac, tolmetin, ketoprofen, flurbiprofen, naproxen, opioids such as codeine, hydrocodone, hydromorphone, morphine, oxycodone, aspirin, or acetaminophen.